Aleiodes placidus sp. nov. (Fig. 133) Holotype ♀, Thailand, Phetchabun Province, Khao Kho NP, mixed deciduous, 26.ii.2007, 16° 39.550 N, 101° 08.123 E, 230m, Chacumnan & Singtong (voucher BCLDQ00228 , Genbank JQ388468) (QSBG). Paratypes: 1 ♂, Thailand, Phetchabun Province, Khao Kho National Park, office, 26.vii.2006, 16° 39.550 N, 101° 98.134 E, Chacumnan & Singtong, (voucher BCLDQ00158, Genbank JF962554) (QSBG) ; 1 ♀, Thailand, Chaiyaphum, Tat Tone NP, beside Sapsomboom substation, 2.vi.2007, 16° 00.792' N, 101° 58.472' E, 641m, Tawit Jaruphan & Orowan Budsawong (voucher BCLDQ01552, Genbank JN278303) (BMNH); 1♀, same as previous except, office, 19.vii.2006, 16° 39.550 N, 101° 08.123 E, 520m, Chacumnan & Singtong (voucher BCLDQ00268,Genbank JQ388438) (BMNH); 2 ♂, same as previous except mixed deciduous, 26.ii.2007, 16° 39.550 N, 101° 08.123 E, 230m (vouchers BCLDQ00229, Genbank JQ388467; BCLDQ00230, Genbank JQ388466) (QSBG); 1 ♀, same as previous except, mixed deciduous near office, 19.ii.2007, 16° 39.479 N, 101° 08.105 E, 260m, Chacumnan & Singtong (voucher BCLDQ00273, Genbank JQ388435) (CUMZ); 1 ♂, Thailand, Phetchabun Province, Khao Kho NP, view point at Khla stream, 19.iii.2007, 16° 39.257' N, 101° 7.945' E, 186m, Somchai Chachumnan & Saink Singlang (voucher BCLDQ01592, Genbank JN278330) (HIC); 2 ♀, same as previous except, 12.i.2007, 16° 39.587 N, 101° 08.134 E, 220m, S Chachumnan, (voucher BCLDQ01057, Genbank JQ388373 and BCLDQ01058, Genbank JQ388372) (QSBG & BMNH); 1 ♀, Thailand, Phetchabun Province, Nam Nao NP, Huay Pralard, 22.i.2007, 16° 44.896 N, 101° 27.874 E, 711m, N Hongyothi (voucher BCLDQ00144, Genbank JQ388349) (QSBG); 1 ♂, Thailand, Phetchabun Province, Thung Salaeng Luang, Khao Kho National Park, mixed deciduous forest nr office, 5.iii.2007, unknown collector (voucher BCLDQ01256, Genbank HM435183) (CUMZ); 1 sex unknown, Thailand, Loei Province, Phu Kradueng NP, Forest protection unit Loei 5 (Phakbung), 19.ii.2007, 16° 50.540 N, 101° 43.663 E, W Kwamjam (voucher BCLDQ01073, Genbank JQ388365) (CUMZ).